Added support for animation callbacks and implemented a few callbacks (doNothing, exitGameLoop, stopAnimation).

svn-id: r42901

2 files changed, 24 insertions, 3 deletions

diff --git a/engines/draci/animation.cpp b/engines/draci/animation.cpp
index 6cde72a9d2..5ba12fb529 100644
--- a/engines/draci/animation.cpp
+++ b/engines/draci/animation.cpp
@@ -40,6 +40,7 @@ Animation::Animation(DraciEngine *vm, int index) : _vm(vm) {
 	_looping = false;
 	_tick = _vm->_system->getMillis();
 	_currentFrame = 0;
+	_callback = &Animation::doNothing;
 }	
 
 Animation::~Animation() {
@@ -95,8 +96,8 @@ void Animation::nextFrame(bool force) {
 		// If we are at the last frame and not looping, stop the animation
 		// The animation is also restarted to frame zero
 		if ((_currentFrame == getFrameCount() - 1) && !_looping) {
-			// When the animation reaches its end, stop it
-			_vm->_anims->stop(_id);
+			// When the animation reaches its end, call the preset callback
+			(this->*_callback)();
 
 			// Reset the frame to 0
 			_currentFrame = 0;
@@ -272,6 +273,14 @@ void Animation::deleteFrames() {
 	}
 }
 
+void Animation::stopAnimation() { 
+	_vm->_anims->stop(_id);
+}
+
+void Animation::exitGameLoop() { 
+	_vm->_game->setExitLoop(true);
+}
+
 Animation *AnimationManager::addAnimation(int id, uint z, bool playing) {
 	
 	// Increment animation index
diff --git a/engines/draci/animation.h b/engines/draci/animation.h
index 6642107b25..3fd4b67114 100644
--- a/engines/draci/animation.h
+++ b/engines/draci/animation.h
@@ -51,7 +51,9 @@ enum { kIgnoreIndex = -2 };
 class DraciEngine;
 
 class Animation {
-	
+
+typedef void (Animation::* AnimationCallback)();
+
 public:
 	Animation(DraciEngine *v, int index);
 	~Animation();	
@@ -90,6 +92,14 @@ public:
 
 	void markDirtyRect(Surface *surface);
 
+	// Animation callbacks
+
+	void registerCallback(AnimationCallback callback) { _callback = callback; }
+
+	void doNothing() {}
+	void stopAnimation();
+	void exitGameLoop();
+
 private:
 	
 	uint nextFrameNum();
@@ -118,6 +128,8 @@ private:
 	bool _looping;
 	Common::Array<Drawable*> _frames;
 
+	AnimationCallback _callback;
+
 	DraciEngine *_vm;
 };